[NeMo-DDoS-List] FW: [Geant NeMo] #438744 END CRIT: IUCC (AS378) - "5 alerts" [IUCC] [Customer] [Email_Analysis]

[Hank Nussbacher]

________________________________________
From: nemo-ddos at host.geant.org <nemo-ddos at host.geant.org>
Sent: Wednesday, September 23, 2026 5:06:16 AM (UTC+02:00) Jerusalem
To: soc at geant.org
Subject: [Geant NeMo] #438744 END CRIT: IUCC (AS378) - "5 alerts" [IUCC] [Customer] [Email_Analysis]

Observed <= 0 alerts, closing.Alert closed.

Alert ID: 438744
Status: Closed
Severity: Critical

Start Time: 2026-09-23 00:38:23
End Time: 2026-09-23 02:06:05
Start Time (Europe/Berlin): 2026-09-23 02:38:23
End Time (Europe/Berlin): 2026-09-23 04:06:05
Duration: 1 h, 28 min

First Event Seen: 2026-09-23 00:36:00
Last Event Seen: 2026-09-23 01:56:00
Event Count: 130

Trigger: Multiple Alerts (ID 15)

Alert Description:
Aggregated 5 alerts.

Affected Objects:
        Type              Name       Event Count
---------------------------------------------------
Autonomoussystem    IUCC (AS378)         130

Child Alerts:
  Alert ID            Description
----------------------------------------------
438742      High packet rate
438743      High TCP packet rate
438748      Abnormal SYN:ACK packet ratio
438749      High SYN packet rate
438750      High TCP packet rate


Further Details:
https://primary.nemo.geant.org/alerts/details/438744/

All times expressed in UTC.